Clevite H-Series Connecting Rod Bearing - Standard - Extra Oil Clearance - Narrowed - Coated - Big Block Chevy Roll Bar The combination of the larger

The combination of the larger gap and longer duration spark provides the most complete combustion of the fuel mixture possible for increased horsepower and torque

Uses with GM Style Transmission Mount - Hooker Part# 71223029HKR or 71223030HKR (Sold Separately)

For decades

Kits include 4 studs

Pro-Series

Clevite H-Series Connecting Rod Bearing - Standard - Extra Oil Clearance - Narrowed - Coated - Big Block Chevy Roll Bar The combination of the largerClevite Coated Rod Bearing CB743HXNK H Series Rod Bearing . 001" Thinner TM 77 Chevrolet 348 366 396 402 409 427 454 MAHLE Performance boasts the most extensive line of performance engine bearings in the market hands down. Combining the legendary CLEVITE bearing brand for domestic applications with the global coverage in the MAHLE brand for the import market, MAHLE Performance truly is the engine bearing of choice in the performance bearing market.